The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 1999
Filed:
Sep. 09, 1997
Applicant:
Inventor:
Fred Mast, Wil, CH;
Assignee:
Gretag Imaging AG, Regensdorf, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359861 ; 359857 ; 359431 ;
Abstract
The optical reproduction system comprises an even number (e.g., four) of reflecting surfaces for producing an image rotated 90.degree. relative to an object to be produced, on an image plane that is parallel to the plane of the object. The incoming optical axis and the outgoing optical axis rest on the same straight line.